Home / 2,878,692,789.30-4,318,039,151.55-697,658,925.30

Finding the Fourth Proportional to 2,878,692,789.30, 4,318,039,151.55 and 697,658,925.30

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Solution

The fourth proportional to 2,878,692,789.30, 4,318,039,151.55 and 697,658,925.30 is: 1,046,488,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,692,789.30 : 4,318,039,151.55 = 697,658,925.30 : x
  2. Step 2: Convert to fraction form
    2,878,692,789.30/4,318,039,151.55 = 697,658,925.30/x
  3. Step 3: Cross multiply
    2,878,692,789.30x = 4,318,039,151.55 × 697,658,925.30
  4. Step 4: Simplify right side
    2,878,692,789.30x = 3,012,518,553,873,696,768
  5. Step 5: Solve for x
    x = 3,012,518,553,873,696,768/2,878,692,789.30
  6. Step 6: Final answer
    x = 1,046,488,380.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.